Much has already been said about the so-called controversial sex scene in 'Blue Valentine,' which infamously landed the movie with an NC-17 rating that was eventually reversed.

With 'Blue Valentine' hitting theaters on Wednesday, we're taking a closer look at the movie, about the highs and lows of a marriage over five years, to determine just how controversial the scene really is, and whether it actually deserved its NC-17 rating. (The short answer: No.)